*Phraser* :: Download Source Code
A tile-puzzle that involves solving phrases. One solved the tile-locations in order to obtain letters of a phrase. The level-of-difficulty goes from 2*2 to 6*6. Phrases get longer with the increasing levels of difficulty.
http://www.cs.columbia.edu/~rdc23/Phraser/Phraser.html

Ted's Puzzle Applet :: Download Source Code
a small java applet that takes an image and breaks it up into small pieces... randomizes them... and allows the user to reassemble them.
http://otto.cmr.fsu.edu/~davis_t/puzzle/

Disappearing Person Puzzle :: Download Source Code
One of the few (three) disappearing person puzzles in the world, and the only one on the internet (they are very hard to draw!!!). A must see for thinking puzzle types.
http://www.debreuil.com/ddw/puzjava/picmove.htm

Slide Puzzle :: Download Source Code
This slide-15 game is also supporting the network server and client connections. If a player break the record
he/she will be asked to submit information about the user and the info will be displayed in the applet. This applet
also allow user to read and subbmit comments through the applet.
http://www.cs.iupui.edu/~yzhao/proj1.html

Fox-At-Sunrize :: Download Source Code
In this game there are five foxes hidden in the forest ( field 10x10 ). Your task is to find all of them for as little steps as possible.
http://www.cs.umb.edu/~vmay/JavaStartPage.html

Pentomino Puzzle Solver :: Download Source Code
This App/Applet solves a childhood puzzle, the Pentomino Puzzle. There are 12 pieces of varying shapes, each consisting of five units each. Each piece must be fit onto a certain size board. This App/Applet lets you choose from 4 board sizes and will find a soulution.
http://members.theglobe.com/jjolly/programming.html

Jaava-Puzzle :: Download Source Code
A fast, smooth puzzle with a choise of three different sizes. In Finnish.
http://www.cs.helsinki.fi/~akurkine/java/puzzle/peli.html

RatInMaze :: Download Source Code
RatInMaze game is a puzzle where you solve the maze to help the rat come out of the maze. The rat in the maze is hungry and responds to the cheese that it can sense in its neighbourhood. Keep the rat alive by feeding him with the cheese and take it out of the Maze. Source code with explanation is free for Java lovers.
http://java.KaushikRaj.com:8080/games/RatInMaze/

Shuffle :: Download Source Code
This is a popular shuffle game . Which has numbers arranged in random order. Press the shuffle button to rearrange the numbers on the squares. Challenge is to arrange the numbers sequentially with mouse clicks in less number of clicks.
http://www.geocities.com/SiliconValley/Foothills/2885/Shuffle.html

Puzzle v2.1 :: Download Source Code
Puzzle is a simple class implementation of the classic well-known Puzzle game. Thi version has more customizabe features and fancy graphic.sls
http://www.mosam.com/technical.html

TacTix :: Download Source Code
Created by the brilliant Danish inventor Piet Hein in the late 1940s, TacTix is a variation of Nim, one of the oldest of mathematical games.
http://www.mazeworks.com/tactix/tactix.htm

Puzzle :: Download Source Code
A 15-piece puzzle which can make use of any image at any size. The ZIP file contains the .class, .java, documentation and an example html file.
http://freezone.exmachina.net/Axel/java/puzzle/puzzle.zip

ORV :: Download Source Code
The source for the tetris game, The idea is taken from an Arthur C Clark book.
http://www.geocities.com/CapeCanaveral/Launchpad/9427/index.html

Eggtris :: Download Source Code
Tetris clone with good movement -- no frills and fun to play (addictive). It uses 1.2 so I don't know if it works in Netscape, but appletviewer runs it fine and all the source is on the above mentioned page.
http://www.cise.ufl.edu/~jpalm/egg.html

TriPeg :: Download Source Code
TriPeg is a Java applet version of the well known game which has a triangular block of wood with golf tees for pegs. But, thankfully the computer takes care of placing the pegs for you!
http://www.jaxproductions.com/tripeg.htm

The Red Donkey :: Download Source Code
This is a push block game, where you have to move the red donkey (symbolized as the master block) outside the board. The problem comes from all the remaining blocks, which can not pass through the gate. So there is little place to play.
http://www-irma.u-strasbg.fr/~grosse/

Joe's Puzzle Bean for Java 2 :: Download Source Code
Puzzle Bean is built with Swing components for the Java 2 Platform. It provides: a customizable sliding block puzzle; support for images, including animated GIFs; an automated rule-based solver; and a reversible move queue.
http://ourworld.compuserve.com/homepages/jozart/jpuzzle/jpuzzle.html

Animated Knight's Tour :: Download Source Code
An animated Knight's tour applet with source code. Just click on a square and watch the knight perform the Knight's Tour. You must have Internet Explorer 4.0 or higher or Netscape 4.05 or higher.
http://www-edlab.cs.umass.edu/~tchou/Knight/KnightTour.html

Word Search :: Download Source Code
Find words hidden in the letter grid. Fully customizable applet that reads list of words from one or more text files located on the server.
http://members.aol.com/MHall75819/WordSearch/index.html

IE DHTML Sokoban :: Download Source Code
A three part series at www.SiteExperts.com that looks at building the strategy game, DHTML Sokoban. Join Rajeev as he explores data access techniques as he builds the Sokoban HTML Game (IE4/5) and IE5 Sokoban Level Editor using IE5's new HTA technology. Play DHTML Sokoban on-line or download the DHTML Sokoban game for your offline enjoyment.
http://siteexperts.com/games/sokoban/gp/page1.asp